A book printer supplied overall dot gain figures for a b/w job that will print on coated stock as follows:
1%-1.3
3%-3.1
5%-5.2
10%-10.3
20%-20.6
25%-25.7
30%-30.9
40%-41.2
50%-51.5
60%-61.8
70%-72.1
75%-77.3
80%-82.4
90%-92.7
95%-97.8
97%-99.9
99%-100
Note how the TVI increases continuously...